🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 14.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.78 AU - 1.18 AU

Year: 670 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,300,871 km

• M1: 182,210 km (0.101 R)
• M2: 915,988 km (0.071 R)
• M3: 2,395,062 km (0.077 R)
• M4: 3,236,849 km (0.103 R)
• M5: 3,817,588 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 9.2

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.98 AU - 1.42 AU

Year: 907 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,300,871 km

• M1: 114,442 km (0.105 R)
• M2: 443,707 km (0.118 R)
• M3: 1,025,045 km (0.114 R)
• M4: 1,317,658 km (0.066 R)
• M5: 1,800,261 km (0.102 R)
• M6: 2,119,203 km (0.079 R)
• M7: 2,510,402 km (0.11 R)
• M8: 4,046,024 km (0.111 R)
• M9: 5,088,123 km (0.106 R)
• M10: 5,938,437 km (0.101 R)
• M11: 6,234,790 km (0.081 R)
• M12: 8,305,075 km (0.105 R)
• M13: 9,339,096 km (0.111 R)
• M14: 9,916,693 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 9.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.6 AU - 2.12 AU

Year: 1751 Days

Day: 8.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,300,871 km

• M1: 121,473 km (0.118 R)
• M2: 612,304 km (0.053 R)
• M3: 1,147,864 km (0.087 R)
• M4: 1,481,767 km (0.067 R)
• M5: 2,475,246 km (0.079 R)
• M6: 2,956,353 km (0.105 R)
• M7: 4,287,625 km (0.101 R)
• M8: 5,423,970 km (0.058 R)
• M9: 6,191,257 km (0.109 R)
• M10: 6,625,989 km (0.072 R)
• M11: 7,637,719 km (0.092 R)
• M12: 7,968,929 km (0.103 R)
• M13: 9,173,641 km (0.086 R)
• M14: 9,548,234 km (0.073 R)
• M15: 10,096,211 km (0.09 R)
• M16: 12,349,903 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 14.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.37 AU - 3.83 AU

Year: 4715 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,300,871 km

• M1: 185,202 km (0.067 R)
• M2: 736,321 km (0.06 R)
• M3: 1,266,944 km (0.115 R)
• M4: 1,759,570 km (0.099 R)
• M5: 2,502,024 km (0.097 R)
• M6: 3,214,709 km (0.116 R)
• M7: 4,175,725 km (0.118 R)
• M8: 5,460,173 km (0.107 R)
• M9: 6,067,690 km (0.088 R)
• M10: 8,542,487 km (0.062 R)
• M11: 9,095,401 km (0.113 R)
• M12: 9,987,303 km (0.101 R)
• M13: 11,356,274 km (0.09 R)
• M14: 13,015,763 km (0.059 R)
• M15: 13,793,372 km (0.033 R)
• M16: 15,299,524 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770

Radius: 5.4

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.95 AU - 7.13 AU

Year: 10246 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,300,871 km

• M1: 67,169 km (0.098 R)
• M2: 266,733 km (0.116 R)
• M3: 436,527 km (0.107 R)
• M4: 635,791 km (0.099 R)
• M5: 997,967 km (0.116 R)
• M6: 1,603,540 km (0.085 R)
• M7: 1,885,083 km (0.112 R)
• M8: 2,090,630 km (0.113 R)
• M9: 2,292,288 km (0.09 R)
• M10: 2,999,138 km (0.108 R)
• M11: 3,682,800 km (0.106 R)
• M12: 4,231,077 km (0.061 R)
• M13: 4,615,693 km (0.099 R)
• M14: 5,023,197 km (0.074 R)
• M15: 5,696,687 km (0.101 R)
• M16: 6,738,187 km (0.057 R)
• M17: 7,139,110 km (0.083 R)
• M18: 8,437,619 km (0.11 R)
• M19: 9,046,482 km (0.057 R)
• M20: 9,534,321 km (0.082 R)
• M21: 10,509,550 km (0.098 R)
• M22: 10,776,731 km (0.034 R)
• M23: 14,676,748 km (0.106 R)
• M24: 16,757,654 km (0.05 R)
• M25: 18,249,295 km (0.097 R)
• M26: 18,948,515 km (0.08 R)
• M27: 20,816,394 km (0.074 R)
• M28: 24,444,292 km (0.104 R)
• M29: 26,064,736 km (0.088 R)
• M30: 30,588,576 km (0.107 R)
• M31: 33,378,576 km (0.104 R)
• M32: 37,067,809 km (0.093 R)
• M33: 40,888,240 km (0.12 R)
• M34: 41,416,619 km (0.099 R)
• M35: 41,682,604 km (0.09 R)
• M36: 43,575,915 km (0.099 R)
• M37: 46,236,064 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.7

Radius: 6.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.22 AU - 8.88 AU

Year: 14320 Days

Day: 17.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,300,871 km

• M1: 80,783 km (0.071 R)
• M2: 290,519 km (0.111 R)
• M3: 575,802 km (0.115 R)
• M4: 847,921 km (0.089 R)
• M5: 1,096,552 km (0.032 R)
• M6: 2,880,357 km (0.069 R)
• M7: 4,841,735 km (0.12 R)
• M8: 5,171,748 km (0.077 R)
• M9: 6,680,293 km (0.053 R)
• M10: 8,418,022 km (0.102 R)
• M11: 9,254,124 km (0.098 R)
• M12: 10,000,169 km (0.1 R)
• M13: 12,589,708 km (0.075 R)
• M14: 12,870,952 km (0.066 R)
• M15: 15,402,148 km (0.11 R)
• M16: 15,788,858 km (0.113 R)
• M17: 18,175,393 km (0.09 R)
• M18: 18,972,600 km (0.072 R)
• M19: 21,905,766 km (0.103 R)
• M20: 24,424,994 km (0.102 R)
• M21: 29,632,197 km (0.085 R)
• M22: 31,554,529 km (0.063 R)
• M23: 36,322,213 km (0.113 R)
• M24: 40,076,522 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 20,347 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit